Home / 120,856.58-181,098.57-64,704.14

Finding the Fourth Proportional to 120,856.58, 181,098.57 and 64,704.14

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Solution

The fourth proportional to 120,856.58, 181,098.57 and 64,704.14 is: 96,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,856.58 : 181,098.57 = 64,704.14 : x
  2. Step 2: Convert to fraction form
    120,856.58/181,098.57 = 64,704.14/x
  3. Step 3: Cross multiply
    120,856.58x = 181,098.57 × 64,704.14
  4. Step 4: Simplify right side
    120,856.58x = 11,717,827,227.08
  5. Step 5: Solve for x
    x = 11,717,827,227.08/120,856.58
  6. Step 6: Final answer
    x = 96,956.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.